Aluminum electrode foil for electrolytic capacitor and electrolytic capacitor using the foil
US6038124A · kind A · utility
9Cited by
4References
23Claims
0Family size
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Key dates
| Filing date | Dec 22, 1997 |
| Grant date | Mar 14, 2000 |
| Priority date | — |
| Expiry date | Dec 22, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01G9/055
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An aluminum electrode foil for an electrolytic capacitor has a sponge-like etching layer formed on at least one of the surfaces thereof, and the sponge-like etching layer is reduced in a direction of thickness. The aluminum density of the reduced sponge-like etching layer `d2` is set from 0.8 to 2.2 g/cm.sup.3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.